"When 12-year-old Dory Byrne's pop left New York City's Lower East Side to fight Hitler, he promised her and her brothers that they'd be safe. Like he always said, "the neighborhood will give you what you need." There's the lady from the bakery, who saves them leftover crullers. The kind landlord who checks in on them. And every Thursday night, the Byrnes enjoy a free bowl of seafood stew at Mr. Caputo's restaurant...which is where Dory learns about...

Leo and Remi have gotten used to the strangeness of the Whippet Hotel, but when the entire top floor is hoisted into the sky and transported to the field of wacky inventions, they find that they must compete against a number of foes to solve a puzzle or lose their beloved hotel forever.

Hetty Hyssop and her assistant ghosthunters travel to a seaside hotel to investigate the appearance of one of the most dangerous ghosts in the world.

When the great magician Abracadabra is challenged by the illusionist Theopolis, Charlie and Tyler must solve the mystery of how the illusions were done, or Abracadabra will forfeit the hotel.

While staying at a hotel in New York City, the Aldens investigate a series of annoying pranks plaguing the management and guests.

Elizabeth, eleven, spends Christmas break at Winterhouse hotel under strange circumstances, where she discovers that she has magic, and her love of puzzles helps her solve a mystery.

In order to save the reputation of the Wonderland, P.T. and Gloria must find the culprit who stole a royal tiara from the hotel.

Charlie and Annie find Tyler and the magician Brack on the thirteenth floor of the Abracadabra Hotel, but Charlie and his friends still have to solve the mystery of who is trying to steal the twelve priceless statues of Enrico Endriago which have been locked in room 1308 for fifty years.

Brack, owner of the Abracadabra Hotel, has disappeared at a critical time, and once again Charlie Hitchcock and Tyler Yu team up to solve the mystery--they know he never left the hotel, but the only clues they have is a few words scrawled on a piece of paper and a clump of fake red hair.

At Greenglass House, a smuggler's inn, twelve-year-old Milo, the innkeepers' adopted son, plans to spend his winter holidays relaxing but soon guests are arriving with strange stories about the house sending Milo and Meddy, the cook's daughter, on an adventure.